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Radiation quantities units and measurement techniques for radiation protection

Objective


Any determination of human exposure to radiation and radioactivity requires a fundamental set of quantities and units with which exposure can be specified and the means and ability to make measurements which yield results in terms of these quantities and units. Radiation protection, then, requires the capability to accurately quantify the characteristics and extent of radiation exposure so that appropriate and useful assessments of the potential health consequences and risks can be formulated. The work carried out via this project sought to meet these needs.

Important achievements related to these needs include the publication of seven new ICRU Reports, the completion of all but the printing of three other ICRU Reports, completion of ICRU review of two draft reports, the completion of the drafting work on four other reports.
Any determination of human exposure to radiation and radioactivity requires a fundamental set of quantities and units with which exposure can be specified and the measns and ability to make measurements which yield results in terms of these quantities and units. Radiation protection, then, requires the capability to accurately quantify the characteristics and extent of radiation exposure so that appropriate and useful assessments of the potential health consequences and risks can be formulated. The work to be carried out via this proposal seeks to meet these needs.
Fundamental to radiation protection is a set of dose equivalent quantities units and concepts that can be applied to practical determination of radiation exposure. These are to be provided taking into account that while uncertainties are inherent in assessments involved in radiation protection and, further, a variety of
approximations must frequently be employed, the quantities used must be unambiguously defined and the approximations identified. The quantities to be defined in this work are to constitute a conceptually consistent set appropriate for use in operational radiation protection. The work is to result in an ICRU Report providing definitions of quantities for radiation protection. The report will be reviewed by the ICRU in 1992 and published during the period covered by this proposal. Also required for effective radiation protection are conversion factors for translation from calibration quantities to operational quantities. These, too, are to be provided via work to be carried out pursuant to this proposal. To be developed are:
(1) Fluence to effective dose calculations for a variety
of radiations and energies for reference man woman
15y, 5y, and 3m 0ld children.
(2) Fluence to ambient dose equivalent, directional dose
equivalent, personal dose equivalent, penetrating,
and personal dose equivalent, superficial.
(3) A detailed discussion of the relationship between
these two sets of calculations, including effective
dose equivalent.

Topic(s)

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Call for proposal

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Coordinator

Int. Commission on Radiation Units and Measurement
Address
7910,Woodmont Avenue
21105 Maryland
United States